Eaton WT100EHD34 Electrical Circuit Breaker - Explosionproof
Part Number: EBMBB WT100EHD34
Quick Summary
Eaton WT100EHD34 circuit breaker protects electrical distribution in hazardous locations. This unit delivers reliable overload protection while meeting demanding safety requirements. It supports NEC/CEC compliance and UL hazardous-location certifications for US and Canada, with explosionproof EBMB-series suitability. The 100A frame, 480 Vac / 250 Vdc rating, and copper-free aluminum enclosure align with industrial protection needs and lifecycle cost considerations, making it a practical choice for asset-intensive facilities and ongoing maintenance programs.
Product Information
Extended Description
EBMBB WT100EHD34 Eaton: Eaton Crouse-Hinds series EBMB circuit breaker, 15A through 100A, EHD frame type, Bolted/ground joint/gasketed cover construction, Copper-free aluminum, 100A frame size, Cutler-Hammer breaker, Three-pole, 100A trip, 480 Vac/250 Vdc
Product Name
Eaton Crouse-Hinds series EBMB circuit breaker
Catalog Number
EBMBB WT100EHD34
UPC
782274778358
Product Length/Depth
14.78 in
Product Height
26.9 in
Product Width
10.25 in
Product Weight
110 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3 3R 4 7 9 12
Enclosure
With circuit breaker
Number of poles
Three-pole
Voltage rating
480 Vac/250 Vdc
Frame size
100A
Amperage Rating
15A through 100A
Manufacturer
Cutler-Hammer
Circuit breaker frame type
EHD
Enclosure cover construction
Bolted/ground joint/gasketed
Enclosure material
Copper-free aluminum
SP3D Design Package - EBMB Explosionproof Circuit Breakers
EBMB Series Explosionproof Circuit Breakers catalog page
EBMB Explosionproof Circuit Breakers UL certification
EBMB Explosionproof Circuit Breakers UL certification
IF 1149 - Wiring
IF 1149 - Wiring
IF 1149 - Wiring
Eaton Specification Sheet - EBMBB WT100EHD34
Explosionproof EBMB design with a three-pole construction delivers enhanced safety and containment of arcs in hazardous zones, reducing ignition risks and enabling compliant installations in harsh environments. This translates to improved uptime and lower risk management costs, particularly in oil & gas, chemical processing, and mining applications where safety margins are non-negotiable. A 100A frame size supports scalable feeder protection while maintaining a compact footprint in crowded switchgear rooms, enabling easier retrofits and cross-site standardization. The copper-free aluminum enclosure resists corrosion and weight penalties, easing handling and installation in coastal or harsh industrial atmospheres. Bolted/ground joint/gasketed cover construction provides robust sealing and rapid maintenance access, shortening downtime during inspections. NEC/CEC compliance and UL hazardous-location listings expedite regulatory approvals, streamlining procurement and project schedules. NEMA ratings 3, 3R, 4, 7, 9, 12 ensure compatibility across diverse environments, reducing the need for multiple device variants and inventory growth.
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FAQs
To install WT100EHD34 in hazardous locations, verify the enclosure is rated for Class I, Division 1/2 and the specific area classification. Ensure the correct three-pole configuration, use the gasketed cover, and follow Eaton installation sheets. The bolted/ground joint design supports a secure enclosure seal, minimizing ignition risk and simplifying field maintenance.
The WT100EHD34 carries NEC/CEC compliance, UL hazardous-location listings for US and Canada, and explosionproof EBMB-series certification. These certifications validate suitability for hazardous areas and streamline regulatory approvals, reducing project delays and risk during procurement.
This model covers a 15A through 100A amperage range with a 100A frame size and is configured as a three-pole device. It is designed to protect feeders and distribution paths in demanding industrial environments, offering flexible protection settings within a single frame family.
Yes. The unit is rated at 480 Vac / 250 Vdc, supporting safe operation on high-voltage industrial power distribution systems. Three-pole construction and explosionproof enclosure further ensure safe switching and fault isolation in hazardous areas.
The copper-free aluminum enclosure reduces weight and corrosion risk, easing handling during installation and lowering maintenance costs over time. The bolted/ground joint/gasketed cover delivers reliable sealing, enabling quicker inspections and fewer field sealing concerns in tough environments.